Calibri, which could make documents easier to read for the vision impaired, was apparently installed in 2023 by the department’s then-DEI office. Rubio’s memo has designated Times New Roman as his tenure’s official font, stating it will “restore decorum and professionalism” to documents.
Which is why we have serifs, so you can tell the difference between I and l.
It also helps eye to follow the line and therefore makes reading easier. It is almost as if typographers came up with it for a reason.
But that’s a workaround, not a fix.
Edit: a fix would be to not make the letters loook the same, even changing the alphabet if neccessary.